<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      * {
        margin: 0;
        padding: 0;
      }
      .box {
        width: 150px;
        height: 100px;
        background-color: chartreuse;
        animation: move 5s linear infinite;
      }
      @keyframes move {
        0% {
          transform: translateX(0);
        }
        20% {
          /* transform: translateX(500px); */
          transform: translate(500px);
        }
        40% {
          /* transform: translateX(500px) translateY(500px); */
          transform: translate(500px,500px);
        }
        60% {
          /* transform: translateX(0) translateY(500px); */
          transform: translate(0,500px);

        }
        80% {
          transform: translate(0,0);
        }
        100% {
          transform: translateX(0);
        }
      }
    </style>
  </head>
  <body>
    <div class="box"></div>
  </body>
</html>
